1 2out vec4 sk_FragColor; 3uniform vec4 colorGreen; 4uniform vec4 colorRed; 5uniform mat2 testMatrix2x2; 6vec4 main() { 7 bool ok = true; 8 ok = ok && vec4(testMatrix2x2) == vec4(1.0, 2.0, 3.0, 4.0); 9 ok = ok && vec4(testMatrix2x2) == vec4(1.0, 2.0, 3.0, 4.0); 10 ok = ok && ivec4(vec4(testMatrix2x2)) == ivec4(1, 2, 3, 4); 11 ok = ok && bvec4(vec4(testMatrix2x2)) == bvec4(true, true, true, true); 12 return ok ? colorGreen : colorRed; 13} 14